G01R13/0227

System and method for selectively displaying waveforms using graphical user interface

A method and test system are provided for selectively emphasizing waveforms on a display of the test system. The method includes presenting a graphical user interface (GUI) on the display of the test system; receiving through the GUI a selection of channels to be viewed on the display; receiving through the GUI an indication enabling a waveform emphasis feature; receiving through the GUI an indication of a cycle time; and displaying through the GUI multiple waveforms, respectively produced by the selected channels, by sequentially emphasizing each waveform of the multiple waveforms for the cycle time as a viewable waveform, while de-emphasizing each remaining waveforms of the multiple waveforms in relation to the emphasized waveform for the cycle time.

LEAKAGE ELECTRIC FIELD MEASUREMENT DEVICE

A leakage electric field measurement device includes a first acquirer that measures a distance to an electric wire, a second acquirer that measures a leakage electric field of the electric wire, a third acquirer that acquires a captured image of the electric wire, and a controller that calculates a predicted value of the leakage electric field of the electric wire on the basis of the distance measured by the first acquirer and the leakage electric field measured by the second acquirer, performs determination of whether or not the electric wire is a live wire according to comparison between an assumed electric field of the electric wire and the predicted value, and generates a composite image in which a result of the determination is superimposed on the captured image acquired by the third acquirer.

METHOD FOR MEASURING AND DISPLAYING THE AUDIO SIGNAL/NOISE RATIO
20220317167 · 2022-10-06 ·

The method allows the measurement of the audio signal-to-noise ratio, without having to interrupt the transmission to make the measurements. The method comprises: taking the audio signal processed by the system in a frequency hand (ΔF) for a predefined 5 measurement time period (T1); Fast Fourier Transform the sampled audio signal to obtain a signal power spectrum for the entire frequency band (ΔF); for each frequency (F), detect and store the maximum (PMax) and minimum (PMin) power values relating to each frequency considered with operations of “MaxHold” and “MinHold”, to obtain 10 corresponding sequences, respectively of maximum power (CMax) and minimum power (Cmin) of the audio signal; for each frequency (F), obtain the signal/audio noise ratio (S/N) of the signal as a function of the corresponding values of said sequences (CMax) and (CMin). 15

Color control method and apparatus of a to-be-displayed object, measurement device, and medium

Provided are a color control method and apparatus of a to-be-displayed object, a measurement device, and a medium. The method includes: acquiring to-be-displayed object information of the to-be-displayed object, and generating a corresponding to-be-displayed object interface according to the to-be-displayed object information; configuring color information of the to-be-displayed object interface based on a preset to-be-displayed object color mapping frame, where the to-be-displayed object color mapping frame is used for configuring a mapping relationship between the color information and the to-be-displayed object information of the to-be-displayed object on a current display interface; and displaying the to-be-displayed object information of the to-be-displayed object interface according to the configured color information.

DEVICE AND METHOD FOR WAVEFORM SEARCHING BY EXAMPLE

A test and measurement instrument includes an input for accepting an input signal from a Device Under Test (DUT), acquisition memory for storing a sampled waveform derived from the input signal, an output display, and one or more processors configured to accept a portion of the sampled waveform as a search portion, search the sampled waveform for portions similar to the search portion, and visually indicate, on the output display, portions of the sampled waveform that are similar to the search portion as matched portions. Methods of operation and description of storage media, the operation of which performs the above operations, are also described.

TOOL FOR ELECTRONICS TESTING AND DIAGNOSTICS
20220291257 · 2022-09-15 ·

A tool is presented herein capable of performing several electrical measurements and generating several electrical outputs. The tool can be configured to perform measurements and provide outputs most commonly utilized when developing and diagnosing failures of a hardware platform based around a microcontroller. The tool can have a form factor and a header configuration compatible for mating with an external microcontroller or minicomputer developer board such as Arduino, UDOO, Raspberry Pi, TI LaunchPad, STM Nucleo, BeagleBone, etc.

ERROR RATE MEASURING APPARATUS AND ERROR DISTRIBUTION DISPLAY METHOD
20220283223 · 2022-09-08 ·

An error rate measuring apparatus that measures whether or not an FEC operation of the device under test is possible based on a comparison result of the signal received from the device under test and a test signal includes an operation unit that sets a codeword length and an FEC symbol length of the FEC corresponding to a communication standard of the device under test, a data comparison unit that compares bit string data obtained by converting the signal received from the device under test with error data to detect an FEC symbol error of each FEC symbol length, a display unit that associates the bit string data of the FEC symbol length as one point with one unit region of a display region and performs color-coding display depending on presence or absence of occurrence of the FEC symbol error by each FEC symbol length.

COLOR CONTROL METHOD AND APPARATUS OF A TO-BE-DISPLAYED OBJECT, MEASUREMENT DEVICE, AND MEDIUM
20220093058 · 2022-03-24 ·

Provided are a color control method and apparatus of a to-be-displayed object, a measurement device, and a medium. The method includes: acquiring to-be-displayed object information of the to-be-displayed object, and generating a corresponding to-be-displayed object interface according to the to-be-displayed object information; configuring color information of the to-be-displayed object interface based on a preset to-be-displayed object color mapping frame, where the to-be-displayed object color mapping frame is used for configuring a mapping relationship between the color information and the to-be-displayed object information of the to-be-displayed object on a current display interface; and displaying the to-be-displayed object information of the to-be-displayed object interface according to the configured color information.

SYSTEM AND METHOD FOR SELECTIVELY DISPLAYING WAVEFORMS USING GRAPHICAL USER INTERFACE
20210303111 · 2021-09-30 ·

A method and test system are provided for selectively emphasizing waveforms on a display of the test system. The method includes presenting a graphical user interface (GUI) on the display of the test system; receiving through the GUI a selection of channels to be viewed on the display; receiving through the GUI an indication enabling a waveform emphasis feature; receiving through the GUI an indication of a cycle time; and displaying through the GUI multiple waveforms, respectively produced by the selected channels, by sequentially emphasizing each waveform of the multiple waveforms for the cycle time as a viewable waveform, while de-emphasizing each remaining waveforms of the multiple waveforms in relation to the emphasized waveform for the cycle time.

Electrical measurement or inspection apparatus, plug connection for a measurement or inspection apparatus and method for setting an electrical measurement or inspection apparatus
11041885 · 2021-06-22 ·

The present invention relates to a measurement or inspection apparatus which can be adjusted depending on a color of a plugged-in cable. In this manner the display of measurement values and the colour of the plugged-in cable can be coordinated to each other such that a simple assignment between measurement values and cable can be performed.